NUMTHR
if(inf->thread_num > NUMTHR*2/3) {
} else if(inf->thread_num > NUMTHR/2) {
if(inf->thread_num > NUMTHR/2) {
struct ext_thr_info inf[NUMTHR];
printf("extended test start (%d threads)\n", NUMTHR);
for(i=0; i<NUMTHR; i++) {
for(i=0; i<NUMTHR; i++) {
for(i=0; i<NUMTHR; i++) {